Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Priority to JP1911472ApriorityCriticalpatent/JPS5612509B2/ja
Priority to DE2309071Aprioritypatent/DE2309071C3/de
Publication of JPS4887911ApublicationCriticalpatent/JPS4887911A/ja
Priority to US05/589,905prioritypatent/US4061219A/en
Publication of JPS5612509B2publicationCriticalpatent/JPS5612509B2/ja
